1639966240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 288

約数和(自身を含む): 4633251840

約数和(自身を除く): 2993285600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 29, 32, 40, 44, 46, 55, 58, 80, 88, 92, 110, 115, 116, 121, 127, 145, 160, 176, 184, 220, 230, 232, 242, 253, 254, 290, 319, 352, 368, 440, 460, 464, 484, 506, 508, 580, 605, 635, 638, 667, 736, 880, 920, 928, 968, 1012, 1016, 1160, 1210, 1265, 1270, 1276, 1334, 1397, 1595, 1760, 1840, 1936, 2024, 2032, 2320, 2420, 2530, 2540, 2552, 2668, 2783, 2794, 2921, 3190, 3335, 3509, 3680, 3683, 3872, 4048, 4064, 4640, 4840, 5060, 5080, 5104, 5336, 5566, 5588, 5842, 6380, 6670, 6985, 7018, 7337, 7366, 8096, 9680, 10120, 10160, 10208, 10672, 11132, 11176, 11684, 12760, 13340, 13915, 13970, 14036, 14605, 14674, 14732, 15367, 17545, 18415, 19360, 20240, 20320, 21344, 22264, 22352, 23368, 25520, 26680, 27830, 27940, 28072, 29210, 29348, 29464, 30734, 32131, 35090, 36685, 36830, 40480, 40513, 44528, 44704, 46736, 51040, 53360, 55660, 55880, 56144, 58420, 58696, 58928, 61468, 64262, 70180, 73370, 73660, 76835, 80707, 81026, 84709, 89056, 93472, 106720, 111320, 111760, 112288, 116840, 117392, 117856, 122936, 128524, 140360, 146740, 147320, 153670, 160655, 161414, 162052, 169418, 202565, 222640, 223520, 233680, 234784, 245872, 257048, 280720, 293480, 294640, 307340, 321310, 322828, 324104, 338836, 353441, 403535, 405130, 423545, 445280, 445643, 467360, 491744, 514096, 561440, 586960, 589280, 614680, 642620, 645656, 648208, 677672, 706882, 807070, 810260, 847090, 891286, 931799, 1028192, 1173920, 1229360, 1285240, 1291312, 1296416, 1355344, 1413764, 1614140, 1620520, 1694180, 1767205, 1782572, 1863598, 2228215, 2458720, 2570480, 2582624, 2710688, 2827528, 3228280, 3241040, 3388360, 3534410, 3565144, 3727196, 4456430, 4658995, 5140960, 5655056, 6456560, 6482080, 6776720, 7068820, 7130288, 7454392, 8912860, 9317990, 10249789, 11310112, 12913120, 13553440, 14137640, 14260576, 14908784, 17825720, 18635980, 20499578, 28275280, 29817568, 35651440, 37271960, 40999156, 51248945, 56550560, 71302880, 74543920, 81998312, 102497890, 149087840, 163996624, 204995780, 327993248, 409991560, 819983120, 1639966240]

約数ペア:

[(1, 1639966240), (2, 819983120), (4, 409991560), (5, 327993248), (8, 204995780), (10, 163996624), (11, 149087840), (16, 102497890), (20, 81998312), (22, 74543920), (23, 71302880), (29, 56550560), (32, 51248945), (40, 40999156), (44, 37271960), (46, 35651440), (55, 29817568), (58, 28275280), (80, 20499578), (88, 18635980), (92, 17825720), (110, 14908784), (115, 14260576), (116, 14137640), (121, 13553440), (127, 12913120), (145, 11310112), (160, 10249789), (176, 9317990), (184, 8912860), (220, 7454392), (230, 7130288), (232, 7068820), (242, 6776720), (253, 6482080), (254, 6456560), (290, 5655056), (319, 5140960), (352, 4658995), (368, 4456430), (440, 3727196), (460, 3565144), (464, 3534410), (484, 3388360), (506, 3241040), (508, 3228280), (580, 2827528), (605, 2710688), (635, 2582624), (638, 2570480), (667, 2458720), (736, 2228215), (880, 1863598), (920, 1782572), (928, 1767205), (968, 1694180), (1012, 1620520), (1016, 1614140), (1160, 1413764), (1210, 1355344), (1265, 1296416), (1270, 1291312), (1276, 1285240), (1334, 1229360), (1397, 1173920), (1595, 1028192), (1760, 931799), (1840, 891286), (1936, 847090), (2024, 810260), (2032, 807070), (2320, 706882), (2420, 677672), (2530, 648208), (2540, 645656), (2552, 642620), (2668, 614680), (2783, 589280), (2794, 586960), (2921, 561440), (3190, 514096), (3335, 491744), (3509, 467360), (3680, 445643), (3683, 445280), (3872, 423545), (4048, 405130), (4064, 403535), (4640, 353441), (4840, 338836), (5060, 324104), (5080, 322828), (5104, 321310), (5336, 307340), (5566, 294640), (5588, 293480), (5842, 280720), (6380, 257048), (6670, 245872), (6985, 234784), (7018, 233680), (7337, 223520), (7366, 222640), (8096, 202565), (9680, 169418), (10120, 162052), (10160, 161414), (10208, 160655), (10672, 153670), (11132, 147320), (11176, 146740), (11684, 140360), (12760, 128524), (13340, 122936), (13915, 117856), (13970, 117392), (14036, 116840), (14605, 112288), (14674, 111760), (14732, 111320), (15367, 106720), (17545, 93472), (18415, 89056), (19360, 84709), (20240, 81026), (20320, 80707), (21344, 76835), (22264, 73660), (22352, 73370), (23368, 70180), (25520, 64262), (26680, 61468), (27830, 58928), (27940, 58696), (28072, 58420), (29210, 56144), (29348, 55880), (29464, 55660), (30734, 53360), (32131, 51040), (35090, 46736), (36685, 44704), (36830, 44528), (40480, 40513)]